---
title: lowerize
description: Convert all object keys to lower case
group: Object
---




## Basic usage

Convert all keys in an object to lower case. Useful to standardize attribute key casing. For example, headers.

```ts
import { lowerize } from 'radash'

const ra = {
  Mode: 'god',
  Power: 'sun'
}

lowerize(ra) // => { mode, power }
```

The `_.lowerize` function is a shortcut for `_.mapKeys(obj, k => k.toLowerCase())`







